CHEVROLET CAMPAIGN NO 74-C-14.POSSIBILITY THAT THE BRAKE SYSTEMS MAY HAVEBEEN FILLED WITH HYDRAULIC BRAKE FLUID CONTAINING 2 OR 3 PERCENT WATER.IFTHIS CONDITION EXISTS IT WILL REDUCE THE BOILING POINT OF THE BRAKE FLUID TO APOINT WHERE BRAKING EFFICIENCY MAY RE REDUCED.(CORRECT BY DRAINING, FLUSHINGAND REFILLING WITH UNCONTAMINATED BRAKE FLUED.)